Make sure all editors picks are resaved on edit. Fixes #408
Make sure all editors picks are resaved on edit. Fixes #408

As we are setting the sort_order manually. The formset doesn't think the editors pick has changed so doesn't save it.
This caused a SQLite test to fail as NULL is always greater than any integer causing ordering to be incorrect.

jnns/wagtail,takeflight/wagtail,gasman/wagtail,gasman/wagtail,kaedroho/wagtail,kurtrwall/wagtail,rsalmaso/wagtail,serzans/wagtail,nimasmi/wagtail,takeshineshiro/wagtail,nrsimha/wagtail,hamsterbacke23/wagtail,kurtw/wagtail,timorieber/wagtail,davecranwell/wagtail,m-sanders/wagtail,JoshBarr/wagtail,darith27/wagtail,torchbox/wagtail,marctc/wagtail,thenewguy/wagtail,tangentlabs/wagtail,hanpama/wagtail,jordij/wagtail,bjesus/wagtail,jnns/wagtail,darith27/wagtail,torchbox/wagtail,taedori81/wagtail,rsalmaso/wagtail,chrxr/wagtail,wagtail/wagtail,iansprice/wagtail,mixxorz/wagtail,willcodefortea/wagtail,chrxr/wagtail,quru/wagtail,benjaoming/wagtail,taedori81/wagtail,100Shapes/wagtail,dresiu/wagtail,nilnvoid/wagtail,nilnvoid/wagtail,kaedroho/wagtail,serzans/wagtail,bjesus/wagtail,Tivix/wagtail,willcodefortea/wagtail,serzans/wagtail,WQuanfeng/wagtail,m-sanders/wagtail,thenewguy/wagtail,takeflight/wagtail,chrxr/wagtail,davecranwell/wagtail,benemery/wagtail,rv816/wagtail,iho/wagtail,FlipperPA/wagtail,benemery/wagtail,lojack/wagtail,rjsproxy/wagtail,nilnvoid/wagtail,nealtodd/wagtail,rv816/wagtail,rsalmaso/wagtail,zerolab/wagtail,JoshBarr/wagtail,jnns/wagtail,janusnic/wagtail,Toshakins/wagtail,taedori81/wagtail,timorieber/wagtail,chimeno/wagtail,kurtrwall/wagtail,takeflight/wagtail,torchbox/wagtail,benemery/wagtail,KimGlazebrook/wagtail-experiment,JoshBarr/wagtail,thenewguy/wagtail,darith27/wagtail,KimGlazebrook/wagtail-experiment,nealtodd/wagtail,stevenewey/wagtail,WQuanfeng/wagtail,Pennebaker/wagtail,Klaudit/wagtail,chrxr/wagtail,inonit/wagtail,rsalmaso/wagtail,benjaoming/wagtail,lojack/wagtail,KimGlazebrook/wagtail-experiment,chimeno/wagtail,davecranwell/wagtail,Pennebaker/wagtail,inonit/wagtail,mayapurmedia/wagtail,mayapurmedia/wagtail,mjec/wagtail,dresiu/wagtail,dresiu/wagtail,FlipperPA/wagtail,hamsterbacke23/wagtail,wagtail/wagtail,darith27/wagtail,rjsproxy/wagtail,serzans/wagtail,Tivix/wagtail,nutztherookie/wagtail,m-sanders/wagtail,mjec/wagtail,Toshakins/wagtail,100Shapes/wagtail,marctc/wagtail,jnns/wagtail,stevenewey/wagtail,Klaudit/wagtail,chimeno/wagtail,chimeno/wagtail,mjec/wagtail,rjsproxy/wagtail,iho/wagtail,janusnic/wagtail,iansprice/wagtail,hanpama/wagtail,mikedingjan/wagtail,kurtrwall/wagtail,jordij/wagtail,taedori81/wagtail,iansprice/wagtail,Toshakins/wagtail,jordij/wagtail,mayapurmedia/wagtail,zerolab/wagtail,WQuanfeng/wagtail,nealtodd/wagtail,rv816/wagtail,m-sanders/wagtail,janusnic/wagtail,bjesus/wagtail,wagtail/wagtail,mjec/wagtail,rsalmaso/wagtail,taedori81/wagtail,nutztherookie/wagtail,nimasmi/wagtail,thenewguy/wagtail,jorge-marques/wagtail,jorge-marques/wagtail,kaedroho/wagtail,mixxorz/wagtail,mixxorz/wagtail,jorge-marques/wagtail,wagtail/wagtail,torchbox/wagtail,hanpama/wagtail,Klaudit/wagtail,takeshineshiro/wagtail,rv816/wagtail,kurtrwall/wagtail,stevenewey/wagtail,marctc/wagtail,willcodefortea/wagtail,Klaudit/wagtail,rjsproxy/wagtail,hamsterbacke23/wagtail,thenewguy/wagtail,KimGlazebrook/wagtail-experiment,Toshakins/wagtail,zerolab/wagtail,quru/wagtail,bjesus/wagtail,inonit/wagtail,timorieber/wagtail,quru/wagtail,gogobook/wagtail,nealtodd/wagtail,nutztherookie/wagtail,100Shapes/wagtail,kurtw/wagtail,nilnvoid/wagtail,nrsimha/wagtail,jorge-marques/wagtail,benjaoming/wagtail,nrsimha/wagtail,nutztherookie/wagtail,nimasmi/wagtail,kurtw/wagtail,iansprice/wagtail,stevenewey/wagtail,dresiu/wagtail,kaedroho/wagtail,tangentlabs/wagtail,gasman/wagtail,iho/wagtail,iho/wagtail,timorieber/wagtail,chimeno/wagtail,davecranwell/wagtail,dresiu/wagtail,mephizzle/wagtail,tangentlabs/wagtail,mikedingjan/wagtail,Pennebaker/wagtail,takeflight/wagtail,nrsimha/wagtail,FlipperPA/wagtail,gasman/wagtail,hanpama/wagtail,takeshineshiro/wagtail,wagtail/wagtail,Pennebaker/wagtail,kaedroho/wagtail,mayapurmedia/wagtail,FlipperPA/wagtail,mephizzle/wagtail,quru/wagtail,marctc/wagtail,JoshBarr/wagtail,gogobook/wagtail,zerolab/wagtail,mikedingjan/wagtail,gogobook/wagtail,mephizzle/wagtail,janusnic/wagtail,lojack/wagtail,mixxorz/wagtail,gasman/wagtail,tangentlabs/wagtail,nimasmi/wagtail,jorge-marques/wagtail,willcodefortea/wagtail,kurtw/wagtail,inonit/wagtail,mikedingjan/wagtail,mixxorz/wagtail,WQuanfeng/wagtail,zerolab/wagtail,mephizzle/wagtail,benjaoming/wagtail,Tivix/wagtail,benemery/wagtail,gogobook/wagtail,hamsterbacke23/wagtail,takeshineshiro/wagtail,Tivix/wagtail,jordij/wagtail